Automatic measuring system for oil gallery of bearing based on structured light and method

Abstract

The invention discloses an automatic measuring system for an oil gallery of bearing based on structured light and a method. The system comprises a line laser emitter, a vision probe and a driving turntable; a to-be-detected bearing is fixedly arranged on the driving turntable and is synchronously rotated following the driving turntable; a continuous outline generatrix is formed by the line laser beam of the line laser emitter on the oil gallery on the inner circle surface of the bearing; an optical axis of the vision probe is aligned with the outline generatrix. The automatic measuring system disclosed by the invention has the advantages of non-contact automatic measurement, no manual operation, high precision, short period, and the like.

Description

technical field [0001] The invention relates to the field of detection of oil grooves in bearing inner rings, in particular to an automatic measurement system for bearing oil grooves based on structured light. In addition, the present invention also relates to a method of an automatic measurement system for bearing oil grooves based on the above-mentioned structured light. Background technique [0002] The oil groove of the existing bearing inner ring is used to transport and distribute lubricating oil, and the size, shape and position of the oil groove affect the pressure distribution of the oil film in the bearing, thereby affecting the performance of the entire bearing. However, the oil groove of the inner ring of the bearing is a three-dimensional internal dimension, and the accurate detection of the oil groove of the inner ring of the bearing is one of the difficult problems in the industry. [0003] At present, the most commonly used oil channel measurement method in ...

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Problems solved by technology

[0003] At present, the most commonly used oil groove measurement method in the bearing industry is: use a sample with the largest limit size and inspect it by manual measurement. This method can only judge whether the oil groove is qualified or not, and cannot determine the actual size of the oil groove

In recent years, a method of rubbing has emerged, which uses molding materials such as resin to fill the oil groove, and after solid-state molding, remove the rubbing and measure. This method belongs to the reverse molding method. The measurement accuracy of g itself is not high, plus the unreliable factors of rubbing itself, so the measurement accuracy is not high, and the effect is very unsatisfactory

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